Question 353348
f(x)=a(x-h)^2+k
The vertex=(h,k)=-73,26
a is positive because the parabola opens up.
f(x)=a(x+73)^2+26
Let's make a=1.
f(x)=(x+73)^2+26
=x^2+146x+5329+26
{{{highlight(x^2+146x+5355)}}}
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Ed
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{{{graph(500,500,-100,20,-20,100,x^2+146x+5355)}}}